Extension builders in Sevenoaks

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.5 (11 reviews)

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Some of our top rated extension builders in Sevenoaks

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Mayle Brickwork
Rating: 5 out of 5
Extension Builder in Sevenoaks
I’m Charlie, a bricklayer with 7 years of experience in the construction industry. Over the years, I’ve gained a deep understanding of my craft, from laying solid foundations to creating intricate brickwork. I take pride in delivering high-quality results with precision and hard work. This year, I’ve decided to take the next step and start my own business. I’m excited to bring my experience and dedication to new projects, offering good quality bricklaying services
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Latest review:
Bricklaying- 12 Aug 2026
Tidy work, great communication highly recommend!
Gibbons & Sons
Rating: 5 out of 5
Extension Builder in Sevenoaks
Gibbons & Sons are a family run business and been trading for 30 years. Our areas of business are extensions, kitchen fits, summer houses, loft conversions & general building.
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Latest review:
Extensions- 24 Jan 2021
We chose Gibbons and Sons for our Loft extension and new bathroom as they was one of the few firms who we contacted and was more then happy for us to view their workmanship during and after the build so we good see the quality of their works. They have been courteous, polite, very patient and accommodating to our chopping and changing of ideas. They helped us to bring our visions to life and offered advice when required without being pushy and driving a hard sale. They have been open and honest with our ideas and their recommendations and in some cases suggested a alternative more cost effective option. All in all we would highly recommend Gibbons and Sons for all types of building works.
Ltbuild
Rating: 5 out of 5
Extension Builder in Sevenoaks
Over 10 years experience in extensions, roofing, and much more. Always doing my best...
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Latest review:
Roofing (Pitched)- 17 Mar 2023
Eimutis did an excellent job replacing tiles, fascias, soffit, and gutters on our porch roof. He has a high level of professionalism, skills, and attention to detail. His dedication to quality workmanship and customer satisfaction is truly impressive. I would highly recommend him for projects in the future.
I. N.S CONSTRUCTION & LANDSCAPE LTD
Rating: 5 out of 5
Extension Builder in Sevenoaks
We beat all the quotes!
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Latest review:
Extensions- 22 Dec 2025
Good honest communications, good work progress and easy to get on with. Mutual respect shown both sides.
JM CONSTRUCTION & HAULAGE
No reviews yet
Extension Builder in Sevenoaks
I have been in this field for many years now and looking to branch out and do my own thing. I Have experience in a number of building environments from Site work, railways and domestic properties. I aim to achieve a quick clean and a satisfactory result every job. I have a vast range of skills due to being on the tools from the age of 16. Enabling me to accumulate the correct tools and machinery to ensure an outcome you will be happy with.
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daniel brown
No reviews yet
Extension Builder in Sevenoaks
DBuilding solutions At DBuilding Solutions, we specialise in delivering high-quality construction services tailored to meet the diverse needs of our clients. With years of experience in the industry, we are committed to excellence, innovation and sustainability in every project we undertake. Our Services Residential Construction: Building homes that reflect your style and vision. Commercial Construction: Creating functional and modern spaces for businesses. Renovations & Remodeling: Transforming existing structures with precision and care. Infrastructure Development: Contributing to urban development with reliable solutions. Why Choose Us? Expert Team: Our skilled professionals bring expertise and creativity to every project. Timely Delivery: We prioritise efficient project management to meet deadlines. Quality Assurance: Using top-grade materials and advanced techniques to ensure lasting results. Customer-Centric Approach: We collaborate closely with clients to bring their vision to life. At DBuilding Solutions, we don’t just build structures, we build trust, relationships and futures. Whether a small renovation or a large-scale development, we are here to turn your ideas into reality.
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Hennow Construction
Rating: 5 out of 5
Extension Builder in Sevenoaks
Hi, we are a small father son business with over 30 years of building experience. As both father and son are bricklayers we tend to take on jobs such as: extensions brick and block work; out buildings; garage conversions; garden walls; patios and drive ways. Formerly Owens Construction, we have now merged with close family friends to expand the brand and become Hennow Construction.
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Latest review:
Bricklaying- 24 Apr 2019
Jake and Harry did an amazing job with our front wall and fence in the rear garden. We got three quotes for the job and they were the cheapest but also came across professionally. It wasn't a straight forward job, it was was using reclaimed materials that were varying size and shapes. I was also quite particular on the look, I wanted the brickwork to match our house, they took care to match the pointing and bricks but offered advice on how we could save money whist still getting the look we wanted. They arrived everyday on time, they were reliable, honest and extremely hardworking. They also kept us in the loop throughout the work making sure we were going to be happy with the end result. I have already recommended them to friends and will use them again for our next project. Thumbs up from us!
Micks building and son
No reviews yet
Extension Builder in Sevenoaks
Multi
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P. Obrien
Rating: 5 out of 5
Extension Builder in Sevenoaks
I’ve been in the building trade for 25 years as a multi trade. Taking on jobs from putting up shelves to erecting new builds
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Latest review:
Plumbing- 23 Nov 2019
Peers carried out the job to a very high standard. He took his time to ensure it was done correctly. The price was in line with my expectation. I would hire him again. Thank you!
Devoir design & build ltd
No reviews yet
Extension Builder in Sevenoaks
At Devoir design and build we treat every job, big or small with the same attention. We have a passion for the building trade and aim to deliver exactly what the client wants. We like to work with the client listening to what they want to achieve and giving experienced suggestions and advice in return.
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Seymour Building Services Limited
Rating: 5 out of 5
Extension Builder in Sevenoaks
Seymour Building Services would look after your complete project. We would organise all our tradesmen so the right trades are there at the right time. This leaves you with no headaches. Just one number to call for our friendly help and advice.
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Latest review:
Kenny and team did a brilliant job replacing my old lean-to porch area for a new smart extension with windows, door and even a cat flap. They were on time, organised, efficient and took away all the old materials and rubbish. Kenny was helpful when he visited and prompt in replying to all communications and supplying quotes and invoices. I am very happy with their work and wouldn't hesitate to recommend their services.
Grandiose Construction ltd
Rating: 5 out of 5
Extension Builder in Sevenoaks
Grandiose Construction ltd is a registered member of the Federation of master builders and we are a qualified insured and trustworthy property builder/developer. Our expertise varies from new builds/extensions to bedroom, kitchen, bathroom remodelling and gardening. With over 15 years work experience, during which I ran a team of Trades for lots of luxury home Developers in London.This background has enabled me to develop steps and sequences to carefully create your desired project.
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Latest review:
Kitchen Fitting- 1 Mar 2025
Ade is good man, he's very punctual, quality of work is commendable. Thank you Ade.
AP Holloways
Rating: 5 out of 5
Extension Builder in Sevenoaks
A P Holloway’s Construction Ltd is a leading and reputable Construction Company serving central London, Kent and Surrey. We take on all types and sizes of projects, and cover all aspects of residential and commercial construction.
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Latest review:
Plastering- 5 Sep 2023
Alfie & Paul were very friendly and gave good advice. They were efficient and on time. Did the job on time and within the specified time. I have no problems with their work and would recommend them to others.
Building life uk limited
Rating: 4.8 out of 5
Extension Builder in Sevenoaks
My skills are :Tiling :brickwork :extensions :loft conversions :partition : painting :carpentry E.t.c :you name it we do it I've got a team together who are hard working men who are very motivated on working together with our clients we always keep everyone who we do work for happy and still get recommended I work references that I can provide (We haven’t been online at my builder over a year now but we have been working out from my builder we got lots of work to prove)
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Latest review:
Bathroom Fitting- 9 Oct 2018
Ozay arrived on time and finish the job to a high standard I've used the shower for over a month now and no leaks! Would use again!
AAJ Brickwork
Rating: 4.5 out of 5
Extension Builder in Sevenoaks
No job is too small or big. Competitive prices Neat and tidy
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Latest review:
Bricklaying- 10 Mar 2026
Good communication, good price, worked hard to complete project leaving in a clean state
ARdesignconstruction
Rating: 4.2 out of 5
Extension Builder in Sevenoaks
Just recently registered on My builder and trying to provide my services to private clients. First locally hired job taken, hopefully the client will be full satisfied and gives us good feedback at the end :) My services reasonably priced, if you wish to deal with professionals look no further. Construction, Renovation, Extensions, Refurbishment, Property maintenance. Decades of experience in UK and abroad. Reliable, Punctual, Attention to details.
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Latest review:
Carpentry- 18 Dec 2021
Very unprofessional! Did not finish the job and promised to come back to finish it but never did. Has been ignoring my calls ever since. I will not recommend him at all to anyone!

3.5

Top rated Extension Builders

Our Extension Builders in Sevenoaks, are rated 3.5 out of 5 based on 11 reviews from customers like you.

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What types of services are offered by local extension builders in Sevenoaks?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Sevenoaks for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Sevenoaks who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Sevenoaks extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Sevenoaks?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Sevenoaks will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Sevenoaks extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Sevenoaks home extension project is likely to cost.

Find extension builders in Sevenoaks with MyBuilder

Hiring the right extension builder in Sevenoaks with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Sevenoaks extension builders. Once your job is live, we’ll share it with home extension builders in Sevenoaks who can express their interest.

Step 2: Compare different extension builders in Sevenoaks

When you start receiving interest, review profiles of local Sevenoaks extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Sevenoaks extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Sevenoaks, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Sevenoaks extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Sevenoaks extension builder before hiring?

Before hiring an extension builder in Sevenoaks or extension building company in Sevenoaks, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Sevenoaks?

An extension builder in Sevenoaks should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Sevenoaks extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Sevenoaks?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Sevenoaks extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Sevenoaks extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Sevenoaks

Can an extension builder in Sevenoaks help with planning permission?

Yes, many extension builders in Sevenoaks can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Sevenoaks handle everything from design to construction?

Many Sevenoaks extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Sevenoaks help with materials and finishes?

Yes, most extension builders in Sevenoaks can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.